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Safety Relief Valve NSN 4820-01-535-1973

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN 4820-01-535-1973 NSN: 4820-01-535-1973

Features and Characteristics

Flow Control Device
Spool
Valve Operation Method
Manual
Mounting Facility
Threaded fastener
Adjustable Pressure Range
+50.0/+1500.0 pounds per square inch
Maximum Operating Pressure
5000.0 pounds per square inch single response
Special Features
Turn to increase 5 times clockwise; hex valve size 0.875 in; 30/35 foot/lbs torque; 3 port; lgth o/a 4.470 in
Material
Rubber butadiene-acrylonitrile class nbr seat
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
015351973
NSN
4820015351973

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
PRDB-LBN
Cage Code:
54035
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481400000
  • NAICS: 332911
  • SITC: 74740
  • Description: Safety or relief valves
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-535-1973
What are the manufacturers of nsn 4820015351973?
Does this nsn 4820015351973 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015351973
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.
Does nsn 4820015351973 contain any precious metals?
No precious metal content.
Does nsn 4820015351973 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015351973?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
App. Key:
AP
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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